We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M12-1.25 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M12-1.25 Thread Size, Plain

The HELI-COIL Helical Insert (MPN R4649-12) is a tanged tang style, free-running insert with M12-1.25 fine, right-hand threads. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes…

SKU 3G-OTH-599200

Also listed as: R464912 · R4649 12

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, M12-1.25 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HELI-COIL
Manufacturer Part Number
R4649-12
Type
Free-Running, M12-1.25 Thread Size, Plain, Plain, 6 PK

Technical Documents

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert (MPN R4649-12) is a tanged tang style, free-running insert with M12-1.25 fine, right-hand threads. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 6-pack with a plain finish.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal. It provides strong, wear-resistant internal threads for applications like automotive, aerospace, and industrial machinery. This M12-1.25 free-running tanged insert restores damaged threads or upgrades soft materials to withstand higher loads.

What are the specifications of the HELI-COIL R4649-12 insert?

The HELI-COIL R4649-12 is a free-running tanged helical insert with M12-1.25 fine, right-hand threads. Made from 18-8 metal, it has a tensile strength of 200,000 to 250,000 psi. It comes in a 6-pack with a plain finish and is designed for metric applications.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts like the R4649-12 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this M12-1.25 free-running tanged insert.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, drill the hole to the specified tap drill size, tap threads with the correct HELI-COIL tap, then use a tang break-off tool to insert the coil. After installation, remove the tang with a punch. Follow standard thread repair practices for best results.

Used in

Common applications for HELI-COIL
Aerospace engine repair — HELI-COIL STI taps for M12x1.75 metric threads in aluminum alloy components
Automotive transmission rebuild — HELI-COIL STI taps for 7/16-14 UNC threads in cast iron housings
Industrial pump maintenance — HELI-COIL STI taps for #10-32 UNF threads in stainless steel pump bodies
Hydraulic cylinder repair — HELI-COIL STI taps for M6x1 metric threads in steel cylinder heads
General manufacturing — HELI-COIL STI taps for 9/16-18 UNF threads in machinery base plates

HELI-COIL Products

3G Electric supplies HELI-COIL free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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